// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/udp/udp_server_socket.h"

#include "net/base/net_errors.h"
#include "net/base/rand_callback.h"

namespace net {

UDPServerSocket::UDPServerSocket(net::NetLog* net_log,
    const net::NetLog::Source& source)
    : socket_(DatagramSocket::DEFAULT_BIND,
        RandIntCallback(),
        net_log,
        source)
    , allow_address_reuse_(false)
    , allow_broadcast_(false)
{
}

UDPServerSocket::~UDPServerSocket()
{
}

int UDPServerSocket::Listen(const IPEndPoint& address)
{
    int rv = socket_.Open(address.GetFamily());
    if (rv != OK)
        return rv;

    if (allow_address_reuse_) {
        rv = socket_.AllowAddressReuse();
        if (rv != OK) {
            socket_.Close();
            return rv;
        }
    }

    if (allow_broadcast_) {
        rv = socket_.SetBroadcast(true);
        if (rv != OK) {
            socket_.Close();
            return rv;
        }
    }

    return socket_.Bind(address);
}

int UDPServerSocket::RecvFrom(IOBuffer* buf,
    int buf_len,
    IPEndPoint* address,
    const CompletionCallback& callback)
{
    return socket_.RecvFrom(buf, buf_len, address, callback);
}

int UDPServerSocket::SendTo(IOBuffer* buf,
    int buf_len,
    const IPEndPoint& address,
    const CompletionCallback& callback)
{
    return socket_.SendTo(buf, buf_len, address, callback);
}

int UDPServerSocket::SetReceiveBufferSize(int32_t size)
{
    return socket_.SetReceiveBufferSize(size);
}

int UDPServerSocket::SetSendBufferSize(int32_t size)
{
    return socket_.SetSendBufferSize(size);
}

void UDPServerSocket::Close()
{
    socket_.Close();
}

int UDPServerSocket::GetPeerAddress(IPEndPoint* address) const
{
    return socket_.GetPeerAddress(address);
}

int UDPServerSocket::GetLocalAddress(IPEndPoint* address) const
{
    return socket_.GetLocalAddress(address);
}

const BoundNetLog& UDPServerSocket::NetLog() const
{
    return socket_.NetLog();
}

void UDPServerSocket::AllowAddressReuse()
{
    allow_address_reuse_ = true;
}

void UDPServerSocket::AllowBroadcast()
{
    allow_broadcast_ = true;
}

int UDPServerSocket::JoinGroup(const IPAddress& group_address) const
{
    return socket_.JoinGroup(group_address);
}

int UDPServerSocket::LeaveGroup(const IPAddress& group_address) const
{
    return socket_.LeaveGroup(group_address);
}

int UDPServerSocket::SetMulticastInterface(uint32_t interface_index)
{
    return socket_.SetMulticastInterface(interface_index);
}

int UDPServerSocket::SetMulticastTimeToLive(int time_to_live)
{
    return socket_.SetMulticastTimeToLive(time_to_live);
}

int UDPServerSocket::SetMulticastLoopbackMode(bool loopback)
{
    return socket_.SetMulticastLoopbackMode(loopback);
}

int UDPServerSocket::SetDiffServCodePoint(DiffServCodePoint dscp)
{
    return socket_.SetDiffServCodePoint(dscp);
}

void UDPServerSocket::DetachFromThread()
{
    socket_.DetachFromThread();
}

#if defined(OS_WIN)
void UDPServerSocket::UseNonBlockingIO()
{
    socket_.UseNonBlockingIO();
}
#endif

} // namespace net
